Miss lin bought 40 berry,strawberry,chocolate cookies.The ratio of number of berry cookie,strawberry cookie, chocolate cookie was 7;5;8.find the number of chocolate cookies.

Respuesta :

Answer:

20 chocolate cookies

Step-by-step explanation:

7 +5 + 8 + x = 40

7+5+8= 20 cookies non chocolate

subtract 20 from both sides

40-20= 20 chocolate cookies